MediaRecorder.onStart

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MediaRecorder.onStart(callback)

<canvas id="myCanvas" canvas-id="myCanvas" type="2d"> </canvas>
<button type="primary" bindtap="start">开始录制</button>

Page({
  async onReady() {
    tt.createSelectorQuery()
      .select("#myCanvas")
      .node()
      .exec((res) => {
        // 获取 canvas 实例
        const canvas = res[0].node;
        const canvasCtx = canvas.getContext("2d");
        this.recorder = tt.createMediaRecorder(canvas, {
          width: canvas.width, // video width
          height: canvas.height, // video height
          videoBitsPerSecond: 1000, // bit rate in kbps
          gop: 12, // key frame interval
          fps: 60, // frames per second
        });
        this.recorder.onStart(() => {
          tt.showToast({
            title: "start",
            icon: "none",
          });
        });
      });
  },

  start() {
    this.recorder.start();
  },
});